Re: Buffer overflow or overrun?

From: Tina Bird (tbird@precision-guesswork.com)
Date: Mon Apr 29 2002 - 18:13:24 PDT

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    Yes, but I was distinguishing identification and
    authentication, not authentication and authorization.
    To derive the word "authentification," which doesn't
    have anything to do with authorization.
    
    Amazing discussion we're generating on this non-
    existent word ;-)
    
    On Mon, 29 Apr 2002 Valdis.Kletnieksat_private wrote:
    
    > On Mon, 29 Apr 2002 15:35:24 CDT, Tina Bird said:
    > 
    > > I've certainly had a lot of students get confused about
    > > the whole issue, and use "authentification" to combine
    > > both assigning an identifier to a person, and validating
    > > that a person has the right to use a particular identifier.
    > 
    > Identifying a specific entity as being itself and not an impostor
    > is "authentication".  Deciding whether said entity is allowed to
    > perform a requested action is "authorization".  The two are quite
    > distinct, even though many people confuse the two.
    > 
    > I came up with the following example of the vast difference:
    > 
    > Authentication: "OK.. you have a picture ID that say you're Jeffrey Dahmer(*)".
    > 
    > Authorization: "Can I lend you a steak knife, Mr Dahmer?".
    > 
    > Grisly, but 100% effective in explaining the distinction. (Yes, you can
    > use it, as long as you attribute it. ;)
    > -- 
    > 				Valdis Kletnieks
    > 				Computer Systems Senior Engineer
    > 				Virginia Tech
    > 
    > (*) For the non-US list members - Jeffrey Dahmer was a rather nasty
    > serial killer and cannibal....
    > 
    



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